Search a number
-
+
397585 = 5131607
BaseRepresentation
bin1100001000100010001
3202012101101
41201010101
5100210320
612304401
73244066
oct1410421
9665341
10397585
11251791
12172101
1310bc76
14a4c6d
157cc0a
hex61111

397585 has 8 divisors (see below), whose sum is σ = 481536. Its totient is φ = 315120.

The previous prime is 397567. The next prime is 397589. The reversal of 397585 is 585793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 397585 - 29 = 397073 is a prime.

It is a Leyland number of the form 76 + 67.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (397589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352 + ... + 958.

It is an arithmetic number, because the mean of its divisors is an integer number (60192).

2397585 is an apocalyptic number.

It is an amenable number.

397585 is a deficient number, since it is larger than the sum of its proper divisors (83951).

397585 is a wasteful number, since it uses less digits than its factorization.

397585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743.

The product of its digits is 37800, while the sum is 37.

The square root of 397585 is about 630.5434164274. The cubic root of 397585 is about 73.5320482819.

The spelling of 397585 in words is "three hundred ninety-seven thousand, five hundred eighty-five".

Divisors: 1 5 131 607 655 3035 79517 397585